package com.mao.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.mao.entity.ShoppingCart;

import java.util.List;

public interface ShoppingCartService extends IService<ShoppingCart> {

    void clean();

    String add(ShoppingCart shoppingCart);

    List<ShoppingCart> get_list();

    String sub(ShoppingCart shoppingCart);
}
